Re: pg_stat_*_columns? - Mailing list pgsql-hackers

From Jim Nasby
Subject Re: pg_stat_*_columns?
Date
Msg-id 558DD26F.3030904@BlueTreble.com
Whole thread Raw
In response to Re: pg_stat_*_columns?  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Responses Re: pg_stat_*_columns?  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
List pgsql-hackers
On 6/24/15 6:41 PM, Tomas Vondra wrote:
>> Were the stories (or the experience which lead to the stories) on 9.3 or
>> later?  Do they have a good way to reproduce it for testing purposes?
>
> The per-db split can only improve things if there actually are multiple
> databases, and if the objects are somehow evenly distributed among them.
> If there's a single database, or if most of the objects are in a single
> database (but stored in multiple schemas, for example), it does not help
> much. So it's trivially to reproduce the previous issues.

Right, and a single large database is a pretty common scenario.
-- 
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Data in Trouble? Get it in Treble! http://BlueTreble.com



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